-
公开(公告)号:US2048231A
公开(公告)日:1936-07-21
申请号:US54829631
申请日:1931-07-02
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
-
公开(公告)号:US2048229A
公开(公告)日:1936-07-21
申请号:US54829931
申请日:1931-07-02
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
-
公开(公告)号:US2048227A
公开(公告)日:1936-07-21
申请号:US52206331
申请日:1931-03-12
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
-
公开(公告)号:US2048224A
公开(公告)日:1936-07-21
申请号:US43722530
申请日:1930-03-19
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
-
公开(公告)号:US1913007A
公开(公告)日:1933-06-06
申请号:US21091527
申请日:1927-08-05
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01G5/38
CPC classification number: H01G5/38
-
-
公开(公告)号:US2092893A
公开(公告)日:1937-09-14
申请号:US54830031
申请日:1931-07-02
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
-
公开(公告)号:US2048232A
公开(公告)日:1936-07-21
申请号:US54829831
申请日:1931-07-02
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
-
公开(公告)号:US2048228A
公开(公告)日:1936-07-21
申请号:US46405330
申请日:1930-06-26
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
-
公开(公告)号:US2048225A
公开(公告)日:1936-07-21
申请号:US52206231
申请日:1931-03-12
Applicant: RCA CORP
Inventor: SNOW HAROLD A
IPC: H01J21/12
CPC classification number: H01J21/12 , H01J2893/0032
-
-
-
-
-
-
-
-
-